Overcap for a shaving unit



FIG. 1 is a top plan view of an overcap for a shaving unit, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a perspective view thereof.

The overcap is bilaterally symmetrical. 

The ornamental design for an overcap for a shaving unit, as shown and described. 